added customer context creation of customer if member is logged in
Merge remote-tracking branch 'origin/1.3.0' into 1.3.0

Conflicts:
	src/Merchello.Web/CustomerContext.cs
Merge pull request #738 from steroberts89/1.3.0

Added basic customercontext: NOTE Please look at the code, I'm not sure the merge is correct, and its a little dirty as I used the umbraco Services